// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.

#pragma once

#if GRAPHICS_API_NULL

#include "Engine/Graphics/Textures/GPUTexture.h"

/// <summary>
/// Texture object for Null backend.
/// </summary>
class GPUTextureNull : public GPUTexture
{
public:

    // [GPUTexture]
    GPUTextureView* View(int32 arrayOrDepthIndex) const override
    {
        return nullptr;
    }

    GPUTextureView* View(int32 arrayOrDepthIndex, int32 mipMapIndex) const override
    {
        return nullptr;
    }

    GPUTextureView* ViewArray() const override
    {
        return nullptr;
    }

    GPUTextureView* ViewVolume() const override
    {
        return nullptr;
    }

    GPUTextureView* ViewReadOnlyDepth() const override
    {
        return nullptr;
    }

    void* GetNativePtr() const override
    {
        return nullptr;
    }

    bool GetData(int32 arrayOrDepthSliceIndex, int32 mipMapIndex, TextureMipData& data, uint32 mipRowPitch) override
    {
        return true;
    }

protected:

    // [GPUTexture]
    bool OnInit() override
    {
        return false;
    }

    void OnResidentMipsChanged() override
    {
    }
};

#endif